文章献给准备过英语专业四级的同学，给同学一点经验，希望大家考试成功。
1. Advertising media like direct mail, radio, television and newspapers ____to increase the sales of industrial products.
A.have been used B. will be used C. is being used D. has been used
2. While being questioned on the court, the man denied ____ the old lady’s necklace.
A. having taken B. taking C. to have taken D. to take
3. Dr. Park was accused ____the patient with overdose of sleeping pills so that the patient’s life was terminated before the expected time.
A.of providing B. with providing C. to have provided D. to provide
4. By the end of next month we ____this assignment.
A. will finish B. will be finishingC. will have finished D. have finished
5. We will be losing money this year unless that new economic plan of yours ____miracle.
A.is working B. works C. will be working D. worked
答案：
1. A)
【句意】像直接邮件、无线电、电视和报纸这样的广告媒介一直被用来促进工业品的销售。
【难点】根据句意，应用完成时的被动语态，media 是medium 的复数形式。
2. A)
【句意】法庭传训他的时候，他否认拿了老太太的项链。
【难点】deny后需接动名词，由于动作是过去发生的，所以选A)，动名词的完成式。
3. A)
【句意】帕克大夫被指控向患者提供过量的安眠药，结果造成病人在预期的时间前死亡。
【难点】be accused of 是个常见的词组，意为“被控有…罪”。
4. C)
【句意】到下月底，我将完成这项任务。
【难点】by the end of next month (year)是将来完成时的典型状语，故选C)。
5. B)
【句意】除非你的新经济计划创造奇迹，否则我们将赔钱。
【难点】unless 引导条件状语从句，用一般现在时表示将来。